AUGUST 4, 2026
Live Feed
Back to database
Case File

CVE-2021-42654

CRITICAL · CVSS 9.8 EPSS 1.65% Public Exploit

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2022-05-24 · Last synced 2026-08-04

CyberRota Analysis

This is a critical severity vulnerability with a CVSS score of 9.8. Public exploit code or proof-of-concept references have been detected in its references.

Public Exploit Signal

A public exploit, PoC, GitHub repository or Metasploit reference was detected for this CVE.

Note: these links are listed for security research and verification purposes only.

CVE
CVE-2021-42654
Severity
CRITICAL
CVSS
9.8
EPSS
1.65%

Original NVD Description

SiteServer CMS < V5.1 is affected by an unrestricted upload of a file with dangerous type (getshell), which could be used to execute arbitrary code.

Related CVEs

Other vulnerabilities affecting the same vendor(s)